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By Crossave · Updated: August 2026

Yu-Gi-Oh: set codes, first edition and the differences between regional prints

Yu-Gi-Oh has the most tangled printing history of any widely collected card game: the very same card can exist in different regional versions, with different codes, different text and market values that have nothing to do with one another. For anyone buying from abroad, that is the difference between a bargain and an expensive mistake.

The code: set prefix and region

The basic format is set prefix, dash, card number: LOB-001 is the first card of Legend of Blue Eyes White Dragon, the set that opened the game. On more recent prints, two letters between the dash and the number mark the language or region — LOB-EN001 for English, for example. This is not decoration: it identifies one specific print.

Reprints have made the picture more complex. In 2010 the set was reprinted in Unlimited Edition both as a North American version (LOB-XXX codes) and a European one (LOB-EXXX codes), so the same card name lives on under different codes depending on where it was printed. There are also "Asian English" prints, distinct from both the North American and the European ones, which sellers spell out in the title precisely because the market treats them separately.

First edition: where to look

The wording "1st Edition" is printed on the card itself and, for sealed product, at the top right on the front of the pack. It is the single element that moves the value of an older card the most: with card, condition and set held equal, a first edition and an unlimited edition are economically different products.

Watch out for a detail that often slips past: within the same first edition there can be different print runs, and some historic reprints introduced text corrections. Master Collection Volume 1, for instance, changed "Magic Card" to "Spell Card" and renamed some cards, while later prints ignored those corrections. If you are buying an older card at a serious price, the printed text is something to verify in the photos rather than assume.

What to type when comparing prices

Always search with the full code, including the region letters when you know them: "LOB-EN001" narrows things far more than "Blue-Eyes White Dragon", which returns dozens of reprints from different eras. If you specifically want the first edition, add it to the search: serious sellers always put it in the title, and its absence is information in itself.

Finally, the real cost: many of the most sought-after Asian and North American prints are only listed on markets outside your own customs territory. Shipping, import duty and VAT or sales tax have to be added to the listed price before it can be compared with a local listing at all.

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Sources checked for the figures in this guide: